Officials in Mullingar are saying they have particularly long delays this morning.
The HSE says hospital services across the midlands are operating but with delays due to an ongoing cyber attack.
Routine radiology and some blood testing has been cancelled in Portlaoise and Tullamore Regional Hospitals.
While officials in Mullingar hospital say their services are continuing but with long delays.
Acting Hospital Manager in MRH Tullamore Sinead Geraghty is encouraging people to access all options of medical care: